<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>billbill</title>
    <style>
        a {
            text-decoration: none;
            display: block;
        }

        .con {
            position: relative;
            width: 400px;
        }

        .con .item {
            width: 100%;
            height: 100%;
        }

        .con .item img {
            width: 100%;
        }

        .play-btn {
            opacity: 0;
            position: absolute;
            width: 56px;
            height: 56px;
            right: 10%;
            bottom: 10%;
            background: url(./播放按钮.png) no-repeat center;
            transition: opacity .5s ease-in-out .5s;
        }

        .con:hover .play-btn {
            opacity: 1;
        }

        .mask {
            width: 100%;
            height: 0;
            position: absolute;
            bottom: 0;
            transition: height ease-in-out .5s;
            overflow: hidden;
        }

        .con:hover .mask {
            height: 100%;
        }
    </style>
</head>

<body>
    <div class="con">
        <a href="https://www.bilibili.com/" target="_blank" class="item">
            <img src="./遥远的她.jpg">
        </a>
        <a href="https://www.bilibili.com/" target="_blank" class="play-btn"></a>
        <a href="https://www.bilibili.com/" target="_blank" class="mask">
            <h1>遥远的她</h1>
            <p>远方的她，正无语凝眸，望眼欲穿。。。</p>
        </a>
    </div>
</body>

</html>